diff --git a/server/package.json b/server/package.json
index f040507..b49bc75 100644
--- a/server/package.json
+++ b/server/package.json
@@ -34,7 +34,7 @@
     "json2csv": "^4.3.5",
     "jwt-simple": "^0.5.1",
     "limax": "^1.6.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.19",
     "moment": "^2.20.1",
     "mongoose": "^4.10.6",
     "morgan": "^1.8.0",
diff --git a/server/yarn.lock b/server/yarn.lock
index 2cbbc87..65bdab3 100644
--- a/server/yarn.lock
+++ b/server/yarn.lock
@@ -4766,10 +4766,10 @@ lodash.once@^4.0.0:
   resolved "https://registry.yarnpkg.com/lodash.once/-/lodash.once-4.1.1.tgz#0dd3971213c7c56df880977d504c88fb471a97ac"
   integrity sha1-DdOXEhPHxW34gJd9UEyI+0cal6w=
 
-lodash@^4.14.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.4:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@^4.14.0, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.19, lodash@^4.17.4:
+  version "4.17.19"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.19.tgz#e48ddedbe30b3321783c5b4301fbd353bc1e4a4b"
+  integrity sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==
 
 loose-envify@^1.0.0:
   version "1.4.0"
@@ -7659,7 +7659,7 @@ web3-core-method@1.0.0-beta.51:
     eventemitter3 "3.1.0"
     lodash "^4.17.11"
 
-web3-core-subscriptions@1.0.0-beta.51, web3-core-subscriptions@^1.0.0-beta.51:
+web3-core-subscriptions@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-core-subscriptions/-/web3-core-subscriptions-1.0.0-beta.51.tgz#64e150d1699543e4ab7bad7a9ce2bb5715a5b2d8"
   integrity sha512-bM4KlA37Or/XfrZKLtXlvUSISKWUkXOH/32s0DBnxRkKuey8QKK460H5KF9/HS8LfY7cO11NAepnFe4Tk1rSaQ==
@@ -7810,7 +7810,7 @@ web3-providers@1.0.0-beta.51:
     websocket "git://github.com/frozeman/WebSocket-Node.git#browserifyCompatible"
     xhr2-cookies "1.1.0"
 
-web3-utils@1.0.0-beta.51, web3-utils@^1.0.0-beta.51:
+web3-utils@1.0.0-beta.51:
   version "1.0.0-beta.51"
   resolved "https://registry.yarnpkg.com/web3-utils/-/web3-utils-1.0.0-beta.51.tgz#6b0767289be4f27b14895b011bcb5fa6c707fca5"
   integrity sha512-c9sRSscu0NIjD96X4ToDOgTxGyJevppuB+uHOgWkziaLGqlw/Li1l24nGkvr0Zqpt9SufvfPcWf8EEC92pnwKg==